Vol. 1-v. 2, v. 17-v. 21 have added t.p. in Russian; v. 3-v. 16 have Latin title only
From 1861 to 1882 the Society published two sets of works: "Trudy" and "Horae." The first two volumes of each (1861-1863) are identical in text (and have title pages in both Russian and Latin). Beginning in 1865 (t. 3) the "Trudy" contain the contributions in Russian, while the "Horae" contain the contributions in French and German. In 1882 the "Trudy" were discontinued (with t. 13) and in 1883 the "Horae" incorporated contributions in all languages, although t. 18 (1883-1884)-21 (1887) of the Horae have an added title page in Russian, and t. 22 (1888)-42 (1932) have the Russian title at head of the Latin title
Russian form of title varies slightly: t. 41, no. 4-t. 42, no. 2 (published 1915-1916), Trudy Russkago Äntomologicheskago obshchestva v Petrogradï¸ i︡e; t. 42, no. 3 (published in 1932): Trudy Russkogo Äntomologicheskogo obshchestva
Vols. 1-39 contain accounts of the Society's proceedings
Some vols. include list of members
Vol. 39 contains a history of the society, a list of its publications, and a list of the works of its members, in Russian. [AMNH Library's copy lacks this section.]